Fitting for pipe or hose connections



Nov. 9, 1948. E. F. SARVER 2,453,597

v FITTING FOR PIPE OR HOSE CONNECTIONS Filed Oct. 50. 1944 (Ittorneg Patented Nov. 9, 1948 EI ATE i -poration of Kansas.

; Applicationpctober 30, 1944, seems; 561.0 1 2Claims. (Ol.285-.--97.3)- i'.

This invention relates to fittings, and par ti'cularlyto fittings which are adapted for use with either pipe or hose connections, or to a valve partor other device so that the fitting, may be turned in any direction.

The principal objects of the invention are to provide a fitting. and has flexibility; to provide a connection which will prevent vibration of the tubing to which the fitting is attached; to pro vide a fitting which may be :quickly and easily assembled; to provide a fitting which. will preventdamage to the equipment to which it is attached; and to provide a'simple, relatively economical fitting and capable of eflicient operation.

In accomplishing these and other objects of the invention -I.; have. providedimproved details of structure, the preferred fa ms of which are illustrated in the accompanying drawing, Whereinf l Fig. 1 is a vertical cross-sectional view of my invention showing the fitting in place.

Fig. 2 is a longitudinal cross-sectional view of my invention showing the parts in disassembled relation.

Fig. 3 is a transverse cross-sectional View of my device in assembled relation.

Fig. 4 is a view similar to Fig. 3, but additionally shows the resilient band for compressing the locking ring to disengage it from the socket element. v i

Fig. 5 is a cross-sectional view of a shoe on the resilient band for contracting the locking ring.

Referring more in detail to the drawings:

I designates a fitting embodying the features of my invention, comprising a socket element 2 having a counterbore 3 providing an annular shoulder 4 rounded as at 5 and adapted to receive a gasket 6 preferably made of rubber or other resilient material. The counterbore of the socket element is provided with an annular groove 1 spaced above the shoulder 4. The socket element also has holes 8 extending r PATENT} OFF-ICE 1 2 3,597 i ri'r'riNG oe Pier: on nosjlieosmic q s EmmettF'. Sarver; Erie, Pa., assignorto Rohlm Manufacturing Company, Inc., Erie, Pal, a cor-- in the annular groove [2 so that' the corrugations i band l5, Fig. 4, provided with a plurality of l on one sidepress against the inner periphery of the groove l2 and the corrugations on the opposite side ofthe ring press against a spliit ring I4, also preferably made of resilient material provided for fittingin the annular grooves 'l and I2 for locking the fitting in the socketele ment aslater described; i i a ""In assembling a device constructed asdee scribed, thegasket ring fi is fitted on the annular shoulder 1 of" the socket melement. The split centering ring 1 I3 *is' inserted "in the 1 groove I 2 i of the fittingland the lockingaring d is then inserted thereover. The locking ring isthenbontracted by any suitable means, such as ametal :sleeve,

until its periphery-is fiush with thetperiphery of: the fitting 6. Thefitting assembly is then:

inserted into the socket elementmuntil the shoulder 1 "comes in contact with the gasket '36 forming a compression seal between the fitting and socket element and the locking ring snaps outwardly into the annular groove 8 in the socket element. i The centering ring 3 will exert pressure on the inner side of the locking ring to hold the ring in an extended position as shown in Fig. 3 securely locking the fitting in thesocket element until it is desired to be released as presently described. i

In order to remove the fitting 9 from the socket element 2 I provide a tool consisting of a resilient shoes IS. The shoes may be made of any suitable material and preferably have inturned flanges I! and I8 on their outerside forming a' groove IBfor retaining the resilient band I 5 therein. The shoes are provided on their inner faces with inwardly extending pins 20 adapted I to be inserted in the holes 8 in the groove l2 of the socket element so that the pins may conthrough the wall thereof and intersecting the tact the locking ring upon contraction of the resilient band.

The resilient band I 5 is provided with outwardly extending ears 2! and 22 having openings therein and adapted to receive an eye bolt 23 having a nut 24. Tightening of the nut 24 will compress the resilient band l5 exerting pressure on the shoes I6 so that the pins will exert pressure on the locking ring I4 and compress same to disengageit from the annular groove 1 in the socket element so that the fitting 9 may be removed therefrom. The shoes l6 are loosely applied to the resilient band I5 so that there will be no binding when the band is compressed to pply pressure thereto.

From the foregoing it will be obvious that I have provided an improved fitting simple, economical and capable of operating in an elficient manner.

I claim: I

1. A swivel pipe fitting including complementary male and female tubular members, the female member having at one end an enlarged socket fe gning :an annular shoulder at the inner end of saidwsodkt, an annular :groove'aroumd the inner periphery of the socket in spaced relation to the shoulder, a compressible gasket ring i adapted to seat on the annular shoulder, in the socket, the male tubular member having 'a portion shaped to fit and enter :thersncketaamilot on said male member shaped to rfitrand extend-fin te 1 the female tubular member beyond the annular shoulder in the socket, an annular ledge being provided around the periphery of said male member between the pilot and the portion'ffitting Zin the socket, said ledge engaging the gasket ring, :anvjannulari gnomve around the outer periphery of the ma leimember in spaced relation to the .ledge antimdapted to anate with the annular groove in .rstxc'ket whentthe gasket rmgais ficompressed between the shoulder and the ledge of the respective members, :and :a split retaining ring of a size to renter .the's'socket when "compressed in {the groove of said male member-rand of .(a thickness greater than the vzdepthwof the roove in vthe socket 'limtowhidh it 715 adapted to expand "to engage 0f.s32i'1li00t'8s2i0r retaining the {tubular members together 'a sealed joint and permit relatively mmtion ref said :members .EA swivel gpipe fitting including complemenimalezand female "tubular members, the fe- 'zmenrber having at one send an enlarged socket forming annular shoulder at the inner and of said'ssecket, an'iannular groove around the insner periphery of lth'e socket sin :spaced v re'laran annular groove around the outer periphery .of the male member in spaced relation to the ledge and adapted to mate with the annular groove in the socket when the gasket ring is com- 1191363586. between the shoulder and the ledge of the respective members, a split retaining ring .of a size to enter the socket when compressed in the groove of said male member and of a thickness :greater than the depth of the groove in the socket, and a spring ring engaging the inner surface of said retaining ring for expanding same to engage both of said grooves ,forfretai 'ng the tubular members ,togethervvith a sealed joint and permit relative rotary motion of said The references are of record it e file of this patent; L

UN", E13 STATES PATENTS Number Country I vii 742,141 France Dec. 1 2,1,1932 

